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Thermal behaviour of benzenesulfenamides and of their chromium carbonyl complexes

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Abstract

Benzenesulfenamides with the formula R-S-N-(R′)2 (R=C6H5 andR′=NC4H8O, C7H7 and C6H11) and their chromium carbonyl complexes were studied by means of TG and mass spectrometric methods. The thermal behaviour of the compounds the stabilities of free sulfenamides are lower than those observed for the corresponding chromium carbonyl complexes. Combined thermogravimetry — mass spectrometry results suggest that the fragmentation mechanism of the carbonyl complexes involves cleavage of the Cr-S and Cr-CO bonds while that of sulfenamide depends mainly on the dissociation rates of the NR2 groups.

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Authors and Affiliations

  1. Departamento de Química, Facultad de Ciencias, Universidad de Chile, Casilla 653, Santiago de Chile

    V. Manríquez, C. Díaz, G. González & I. Brito

  2. Departamento de Química, Facultad de Ciencias, Universidad de Antofagasta, Antofagasta, Chile

    I. Brito

Authors
  1. V. Manríquez
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  2. C. Díaz
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  3. G. González
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  4. I. Brito
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Additional information

This work was partially supported by the Departamento técnico de Investigation of the Universidad de Chile, Grant Q3280/9324.

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Manríquez, V., Díaz, C., González, G. et al. Thermal behaviour of benzenesulfenamides and of their chromium carbonyl complexes. Journal of Thermal Analysis 46, 1875–1880 (1996). https://doi.org/10.1007/BF01980790

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  • DOI: https://doi.org/10.1007/BF01980790

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